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iron fine grinding

Jun 03, 2020· Traditional taconite pellet-making processes use a rod mill to get the rock to the consistency of coarse sand, and a ball mill togrindthe rock into afinepowder. This technology is still in use on Minnesota’sIronRange by some facilities. A taconite plant may have as many as 18 rod mills with one rod alone weighing as much as 500 pounds.

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